Footwear upper



FIG. 1 is a perspective view of the footwear upper embodying the new design;

FIG. 2 is a top view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a front view thereof; and,

FIG. 6 is a rear view thereof.

The figures show features of an article of footwear with dot-dot-dash broken lines that do not form any part of the claimed design. Further, the dot-dot-dash broken lines immediately adjacent the portions shown in solid lines form the boundary of the design, with the broken lines forming no part of the claimed design. The even length broken lines in the figures depict stitching, which forms no part of the claimed design. 

CLAIM The ornamental design for a footwear upper, as shown and described. 